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Circuit card

 
 
Circuit Card
 
To form circuits in the early 1960s, transistors were combined with capacitors, resistors and other electrical elements on circuit cards such as this. On the reverse side, electrical paths were printed -- to improve reliability and speed manufacturing. The circuit cards were then plugged into "gates" and the cards interconnected by wires to form the logic and control elements of processors. (VV3071)
 
 
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